Home / 134,471.34-185,575.05-74,046.15

Finding the Fourth Proportional to 134,471.34, 185,575.05 and 74,046.15

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Solution

The fourth proportional to 134,471.34, 185,575.05 and 74,046.15 is: 102,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.34 : 185,575.05 = 74,046.15 : x
  2. Step 2: Convert to fraction form
    134,471.34/185,575.05 = 74,046.15/x
  3. Step 3: Cross multiply
    134,471.34x = 185,575.05 × 74,046.15
  4. Step 4: Simplify right side
    134,471.34x = 13,741,117,988.56
  5. Step 5: Solve for x
    x = 13,741,117,988.56/134,471.34
  6. Step 6: Final answer
    x = 102,186.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.